Very interesting study on the neuropsychological constructs related to beginning writing. The abstract, initial CFA/SEM model, and the final CFA/SEM model are presented below. The initial model was not found plausible due to significant multicolinearity between a number of the measures (variance from some measures could be perfectly predicted from other tests, either singly, or in linear combination with other measures). Most intriguing conclusion for me is the clear importance of executive functioning (very broadly operationalized in the final model) for beginning writing. A good article for this interested in early writing and writing disabilities to get and digest.
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